A mutation in Arabidopsis BSK5 encoding a brassinosteroid-signaling kinase protein affects responses to salinity and abscisic acid
文献类型: 外文期刊
第一作者: Li, Zhi-Yong
作者: Li, Zhi-Yong;Xu, Zhao-Shi;Chen, Ming;Li, Lian-Cheng;Ma, You-Zhi;Li, Zhi-Yong;He, Guang-Yuan;Yang, Guang-Xiao
作者机构:
关键词: ABA-dependent;Arabidopsis;Phytohormone;Stress tolerance
期刊名称:BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS ( 影响因子:3.575; 五年影响因子:3.381 )
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收录情况: SCI
摘要: As the most recently characterized group of plant hormones, brassinosteroids (BR) are involved in a number of physiological responses. Although many key components of the BR signaling pathway have been isolated and characterized, there is little information on detailed characterization of brassinosteroid-signaling kinase (BSK) proteins. In this study, Arabidopsis BSK5 was isolated and functionally analyzed. BSK5 transcripts were detected in various tissues, and were induced by abiotic stresses including salt and drought, as well as phytohormones of BR and abscisic acid (ABA). Arabidopsis loss-of-function mutant bsk5 exhibited sensitivity to salinity and ABA. Mutations of the BSK5 gene also altered the expression of several stress-regulated genes. We suggest that BSK5 responds to other signals as well as BR.
分类号: Q5
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